SOLUTION: City Cabs charges a ​$2.75 pickup fee and ​$1.75 per mile traveled.​ Diego's fare for a​ cross-town cab ride is ​$15.00. How far did he travel in the​ cab?

Algebra ->  College  -> Linear Algebra -> SOLUTION: City Cabs charges a ​$2.75 pickup fee and ​$1.75 per mile traveled.​ Diego's fare for a​ cross-town cab ride is ​$15.00. How far did he travel in the​ cab?       Log On


   

Question 1133546: City Cabs charges a ​$2.75 pickup fee and ​$1.75 per mile traveled.​ Diego's fare for a​ cross-town cab ride is ​$15.00. How far did he travel in the​ cab?
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

y=mx%2Bb
if City Cabs charges a ​$2.75 pickup fee, we have b=+2.75
and if price is ​$1.75 per x mile traveled, we have 1.75x
Diego's fare for a​ cross-town cab ride y is ​$15.00, we have
1.75x%2B2.75=15.00
1.75x=15.00-2.75
1.75x=12.25
x=12.25%2F1.75
x=7
he travel 7 miles in the​ cab